and also very easy to operate. You get used to also to wearing the device with strap when vacuuming furniture or other hard to reach places. But you have to be careful to change sweep nothing when the device depends almost horizontally over your shoulder. Very good is the fine dust filter cartridge. You filthy not fast, because it is surrounded by a perforated and provided with fine-meshed net housing. Tip: Use the lowest possible energy level when vacuuming. Then all the dirt does not stick to the filter housing. Only then you have more empty the hopper. Here is the major shortcoming of the device. The mechanics of dirt enclosure lid is plastic and is working on a fummeliges and hake liges latching system that works rarely immediately. Only when the lid is quite simply snaps with the rest of the case all clear.